package com.shijie99.russ.dao;

import com.shijie99.russ.pojo.User;
import com.shijie99.russ.pojo.UserExample;
import java.util.List;
import org.apache.ibatis.annotations.Param;

public interface UserMapper {
	int countByExample(UserExample example);

	int deleteByExample(UserExample example);

	int deleteByPrimaryKey(Integer userId);

	int insert(User record);

	int insertSelective(User record);

	List<User> selectByExample(UserExample example);

	User selectByPrimaryKey(Integer userId);

	int updateByExampleSelective(@Param("record") User record, @Param("example") UserExample example);

	int updateByExample(@Param("record") User record, @Param("example") UserExample example);

	int updateByPrimaryKeySelective(User record);

	int updateByPrimaryKey(User record);

	/**
	 * 登录验证
	 * 
	 * @param username
	 * @return
	 */
	User queryByName(String username);
}